ide: remove ide_driver_t typedef

While at it:
- s/struct ide_driver_s/struct ide_driver/
- use to_ide_driver() macro in ide-proc.c

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index c1bb0f6..6971c28 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -281,7 +281,7 @@
 static int generic_ide_probe(struct device *dev)
 {
 	ide_drive_t *drive = to_ide_device(dev);
-	ide_driver_t *drv = to_ide_driver(dev->driver);
+	struct ide_driver *drv = to_ide_driver(dev->driver);
 
 	return drv->probe ? drv->probe(drive) : -ENODEV;
 }
@@ -289,7 +289,7 @@
 static int generic_ide_remove(struct device *dev)
 {
 	ide_drive_t *drive = to_ide_device(dev);
-	ide_driver_t *drv = to_ide_driver(dev->driver);
+	struct ide_driver *drv = to_ide_driver(dev->driver);
 
 	if (drv->remove)
 		drv->remove(drive);
@@ -300,7 +300,7 @@
 static void generic_ide_shutdown(struct device *dev)
 {
 	ide_drive_t *drive = to_ide_device(dev);
-	ide_driver_t *drv = to_ide_driver(dev->driver);
+	struct ide_driver *drv = to_ide_driver(dev->driver);
 
 	if (dev->driver && drv->shutdown)
 		drv->shutdown(drive);